The cancellations add to the 72 flights scheduled for January 19-22 that ANA called off last week.

ANA, which flies the most 787s of any airline, said in a statement it would announce on Thursday its plans on flight cancellations for dates from January 29.

Rival Japan Airlines said on Monday it would cancel four flights on its Tokyo-San Diego route for January 27-28, adding to the 8 flights originally scheduled for January 19-25 on the same route it called off last week.

Any schedule changes for flights scheduled for January 26 have yet to be decided, JAL added in a statement.

US and Japanese aviation safety officials investigating the 787's recent battery-related incidents on Monday visited the Kyoto headquarters of GS Yuasa, the firm that makes batteries for the 787, seeking clues into why one of the planes made an emergency landing last week.